Case 46131

Abstract

Presentation of Case First admission. A sixty-three-year-old man entered the hospital because of weakness of the left leg.A diagnosis of diabetes was made eight years previously, and he was treated at first with insulin and then by diet alone. Four years later insulin therapy was again required because of a high blood sugar level. Seven months before entry persistent weakness and shakiness in the left leg developed. Physical examination showed ataxia and slurring of speech. A lumbar puncture yielded clear, colorless cerebrospinal fluid with normal dynamics; it contained 2 red cells per cubic millimeter; the total protein was . . .